Influences of artificial biological particles structures on far-infrared extinction performance

Baokun Huang; Yihua Hu; Youlin Gu; Le Li; Xinying Zhao

doi:10.1117/12.2291607

15 November 2017 Influences of artificial biological particles structures on far-infrared extinction performance

Baokun Huang, Yihua Hu, Youlin Gu, Le Li, Xinying Zhao

Proceedings Volume 10605, LIDAR Imaging Detection and Target Recognition 2017; 106051M (2017) https://doi.org/10.1117/12.2291607
Event: LIDAR Imaging Detection and Target Recognition 2017, 2017, Changchun, China

Abstract

With the increasing demands for new biological extinction materials in military and civilian fields, the artificially prepared flocculent biological particles are equivalent to bullet rosette particles. Then the unit particles with different numbers and lengths of branches are built, and the aggregated particles with different structures are built further. Next the structures of biological particles are characterized by parameterization. And the discrete dipole approximation method is used to calculate the extinction efficiency factor for biological particles. The results indicate that the structures and spatial arrangement of unit particles have great impact on the extinction performance of biological particles. The extinction performance of unit particles is positively correlated to the number and length of branches in the far infrared waveband. Furthermore, the extinction performance of aggregated particles is positively correlated to the porosity in the far infrared waveband. The model provides a theoretical basis for the further development and morphology control of biological extinction materials.

Citation Download Citation

Baokun Huang, Yihua Hu, Youlin Gu, Le Li, and Xinying Zhao "Influences of artificial biological particles structures on far-infrared extinction performance", Proc. SPIE 10605, LIDAR Imaging Detection and Target Recognition 2017, 106051M (15 November 2017); https://doi.org/10.1117/12.2291607

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